4.1.1. Non-Volatile Memory Failures (Display Codes 1,2,3)
This condition is reported when a non-volatile memory failure is detected. If
any non-volatile memory failure occurs, the device must be serviced to
guarantee that is performing properly.
Three types of non-volatile memory failures are detected:
Non-Volatile Memory Failure – The component was not detected on
power up.
Non-Volatile Memory Corrupt – Checksum error detected on Non-
Volatile data.
Non-Volatile Write Error – Unable to successfully write to the flash
memory.
4.1.2. Network Interface Failure (Display Code 4)
This condition is reported when the device detects that a critical component
in the primary communications network has failed. Note that not all
component failures can be detected.
4.1.3. Selected Calibration Invalid (Display Code 5)
This condition is reported when the device detects the calibration
linearization table stored in the selected gas page is not valid. This should
never occur if this table is created by Brooks Instrument supplied calibration
tool.
4.1.4. Identity Information Mismatch (Display Code 6)
This condition is reported when the product and revision code do not match
the firmware SII.